diff --git a/poincare/src/zoom.cpp b/poincare/src/zoom.cpp
index 28f1d8f96..5a848d6f8 100644
--- a/poincare/src/zoom.cpp
+++ b/poincare/src/zoom.cpp
@@ -29,7 +29,7 @@ static bool DoesNotOverestimatePrecision(float dx, float y1, float y2, float y3)
    * too noisy to be be of any value. */
   float yMin = std::min(y1, std::min(y2, y3));
   float yMax = std::max(y1, std::max(y2, y3));
-  constexpr float maxPrecision = 2 * FLT_EPSILON;
+  constexpr float maxPrecision = 2.f * FLT_EPSILON;
   return (yMax - yMin) / std::fabs(dx) > maxPrecision;
 }
 
diff --git a/poincare/test/zoom.cpp b/poincare/test/zoom.cpp
index ddeea399f..c5b157f2f 100644
--- a/poincare/test/zoom.cpp
+++ b/poincare/test/zoom.cpp
@@ -7,7 +7,7 @@ using namespace Poincare;
 
 // When adding the graph window margins, this ratio gives an orthonormal window
 constexpr float NormalRatio = 0.442358822;
-constexpr float StandardTolerance = 10 * FLT_EPSILON;
+constexpr float StandardTolerance = 10.f * FLT_EPSILON;
 
 class ParametersPack {
 public: